/* Copyright JS Foundation and other contributors, http://js.foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

var s1 = Symbol();
var s2 = Symbol();
var obj = {};

obj[s1] = 1;
Object.freeze(obj);

obj[s1] = 2;
obj[s2] = 3

assert(obj[s1] === 1);
assert(obj[s2] === undefined);
assert(delete obj[s1] === false);

assert(Object.isFrozen(obj));
